Which of these expressions is equivalent to the pressure exerted on a body?

Options

A. Volume of body x force applied
B. Force applied/volume of body
C. Area of contact/force applied
D. Force applied / area of contact

Answer

To determine which expression is equivalent to the pressure exerted on a body, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Pressure**:
- Pressure is defined as the amount of force applied per unit area. It tells us how concentrated the force is over a certain area.

2. **Identifying the Formula**:
- The formula for pressure (P) can be expressed mathematically as:
\[ P = \frac{F}{A} \]
where:
- \( P \) = Pressure
- \( F \) = Force applied
- \( A \) = Area over which the force is applied

3. **Analyzing the Options**:
- Now, let’s analyze the given options based on the pressure formula:
1. Volume of body multiplied by force applied: This does not relate to pressure.
2. Force applied upon volume of body: This does not relate to pressure.
3. Area of contact upon force applied: This is the inverse of pressure.
4. Force applied upon area of contact: This matches the pressure formula.

4. **Conclusion**:
- The correct expression that is equivalent to the pressure exerted on a body is:
\[ \text{Force applied upon area of contact} \]
- Therefore, the answer is option 4.